From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0A8A8C433E0 for ; Fri, 12 Mar 2021 01:52:38 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6EFA064F8C for ; Fri, 12 Mar 2021 01:52:37 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6EFA064F8C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:35060 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lKWyi-0000Lf-Cd for qemu-devel@archiver.kernel.org; Thu, 11 Mar 2021 20:52:36 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:35788) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lKWxV-0007Ri-Gq for qemu-devel@nongnu.org; Thu, 11 Mar 2021 20:51:21 -0500 Received: from mail-il1-x12b.google.com ([2607:f8b0:4864:20::12b]:45085) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lKWxT-000553-Qw for qemu-devel@nongnu.org; Thu, 11 Mar 2021 20:51:21 -0500 Received: by mail-il1-x12b.google.com with SMTP id s1so1144686ilh.12 for ; Thu, 11 Mar 2021 17:51:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=SK3L0XYlTVMAwGAOD07tBndXQUYZnquWpSvai5RWD9Y=; b=xQVUSLSPfNntT5pl+8O/9FytYstQe8bXKtWdu9AHYCJDDAWv8fiqUFBK8UnbLYATqJ GIBJLGIL5/UjO0iFkdNV9gkLJ+r4aub9ojdwbVbyUunHxZypuevYXhUjBbRewXu8D89f ztgMA/grJdGvYb7V43goHfwvabhDnSiFr5DLcAJr/hMpugRAfdpuAsQdBLTdoGQO9li2 EnUz39Or1li7opzljgvRLXVK1p2ehEJQ9DcWwHD/WgV3UH6w5GxtNLiVKNdFt0OCcSiI JH6v+mWtWfL5/3/UwYpipmZ1Gq9iUtrXneh5rOwAfUPmqtGfXHMkosWycJLaHrS4Q615 +18Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=SK3L0XYlTVMAwGAOD07tBndXQUYZnquWpSvai5RWD9Y=; b=D0R1y0NOUOgAtD5HNhNkrWd6axT+bNK4DX+IpV6RZXsdlSvrw5ewhe1MmhzSEMqF9G ssgVSyaJKTz5nG0EzZ6zn2WqXMBEgXG7GEnqtZI4Wa4ExeUhpiBPXiekue6DVmAxBncW XbMhyrQc1FHRsjDO10JqUSuqnG5NrEOTMY4gihlihoocOpmQiBfcqR7FXNJtgy4HNaAa jsibdmU2U7qaQAYjEAu8YvMSZOXZtJpfPyxfbjwanS1CTNPDk3ZUoWx0wdysFlA3SM3s eKS/irNCt8raaXDwdOCdKRP2ZYvsjuGIQWjXVNzxaTGACxru34Er3xiHe5GG9s7LcLpw CT4w== X-Gm-Message-State: AOAM531xCvefokMmnaDiZUShjySpTw0d2SVS5zDmIq3WrE2tivVg71h9 WKPikUOz5mkMOFOvnHSKG/MTok/eLZlGWvT9iWsW X-Google-Smtp-Source: ABdhPJw/A/wZJcmffz2Wg4PwBTdCD15Eo/JKIG4jtArQJ1jgFk0cQxxt63qVfDqo50+ZZTjgcGUbbqolpIgIb/vI6BE= X-Received: by 2002:a92:b70a:: with SMTP id k10mr1068671ili.23.1615513878765; Thu, 11 Mar 2021 17:51:18 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Haibo Xu Date: Fri, 12 Mar 2021 09:51:06 +0800 Message-ID: Subject: Re: [RFC PATCH 5/5] Enable the MTE support for KVM guest To: Andrew Jones , Richard Henderson , "Dr. David Alan Gilbert" , Juan Quintela Content-Type: text/plain; charset="UTF-8" Received-SPF: pass client-ip=2607:f8b0:4864:20::12b; envelope-from=haibo.xu@linaro.org; helo=mail-il1-x12b.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , qemu-arm , =?UTF-8?Q?Philippe_Mathieu=2DDaud=C3=A9?= , QEMU Developers Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" ++ more migration experts! On Mon, 8 Feb 2021 at 11:20, Haibo Xu wrote: > > Signed-off-by: Haibo Xu > --- > hw/arm/virt.c | 22 +++++++++++++++++++--- > 1 file changed, 19 insertions(+), 3 deletions(-) > > diff --git a/hw/arm/virt.c b/hw/arm/virt.c > index 623d5e9397..c2358cf4c5 100644 > --- a/hw/arm/virt.c > +++ b/hw/arm/virt.c > @@ -79,6 +79,7 @@ > #include "hw/virtio/virtio-iommu.h" > #include "hw/char/pl011.h" > #include "qemu/guest-random.h" > +#include "migration/misc.h" > > #define DEFINE_VIRT_MACHINE_LATEST(major, minor, latest) \ > static void virt_##major##_##minor##_class_init(ObjectClass *oc, \ > @@ -821,6 +822,21 @@ static void virt_powerdown_req(Notifier *n, void *opaque) > } > } > > +static int virt_precopy_notify(NotifierWithReturn *n, void *data) > +{ > + PrecopyNotifyData *pnd = data; > + > + switch (pnd->reason) { > + case PRECOPY_NOTIFY_SETUP: > + precopy_enable_metadata_migration(); > + break; > + default: > + break; > + } > + > + return 0; > +} > + > static void create_gpio_keys(const VirtMachineState *vms, > DeviceState *pl061_dev, > uint32_t phandle) > @@ -1898,9 +1914,9 @@ static void machvirt_init(MachineState *machine) > } > > if (vms->mte && kvm_enabled()) { > - error_report("mach-virt: KVM does not support providing " > - "MTE to the guest CPU"); > - exit(1); > + /* connect migration precopy request */ > + vms->precopy_notifier.notify = virt_precopy_notify; > + precopy_add_notifier(&vms->precopy_notifier); > } > > create_fdt(vms); > -- > 2.17.1 >